LineageOS/android_vendor_qcom_opensource_display-commonsys-intf
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88cd5ed8e69c056d1a8da6b4a4011334d2be66a0
android_vendor_qcom_opensou…/liboverlay/overlayUtils.cpp
Saurabh Shah 1a03d484e0 hwc: Add BWC policy manager 
Add a BWC policy manager that decides if BWC needs to be disabled on
certain conditions.
These conditions are statically determined. BWC might get used and
still fail (or cause failure of subsequent pipe requests) if SMP
blocks are not sufficient.

Change-Id: I805738911a8da7dfc6232c133c74ef844c3af5b1
2013-05-29 13:44:20 -07:00

469 lines
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/*
* Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <math.h>
#include <utils/Log.h>
#include <linux/msm_mdp.h>
#include <cutils/properties.h>
#include "gralloc_priv.h"
#include "overlayUtils.h"
#include "mdpWrapper.h"
#include "mdp_version.h"
// just a helper static thingy
namespace {
struct IOFile {
IOFile(const char* s, const char* mode) : fp(0) {
fp = ::fopen(s, mode);
if(!fp) {
ALOGE("Failed open %s", s);
}
}
template <class T>
size_t read(T& r, size_t elem) {
if(fp) {
return ::fread(&r, sizeof(T), elem, fp);
}
return 0;
}
size_t write(const char* s, uint32_t val) {
if(fp) {
return ::fprintf(fp, s, val);
}
return 0;
}
bool valid() const { return fp != 0; }
~IOFile() {
if(fp) ::fclose(fp);
fp=0;
}
FILE* fp;
};
}
namespace overlay {
//----------From class Res ------------------------------
const char* const Res::fbPath = "/dev/graphics/fb%u";
const char* const Res::rotPath = "/dev/msm_rotator";
const char* const Res::format3DFile =
"/sys/class/graphics/fb1/format_3d";
const char* const Res::edid3dInfoFile =
"/sys/class/graphics/fb1/3d_present";
const char* const Res::barrierFile =
"/sys/devices/platform/mipi_novatek.0/enable_3d_barrier";
//--------------------------------------------------------
namespace utils {
//--------------------------------------------------------
//Refer to graphics.h, gralloc_priv.h, msm_mdp.h
int getMdpFormat(int format) {
switch (format) {
//From graphics.h
case HAL_PIXEL_FORMAT_RGBA_8888 :
return MDP_RGBA_8888;
case HAL_PIXEL_FORMAT_RGBX_8888:
return MDP_RGBX_8888;
case HAL_PIXEL_FORMAT_RGB_888:
return MDP_RGB_888;
case HAL_PIXEL_FORMAT_RGB_565:
return MDP_RGB_565;
case HAL_PIXEL_FORMAT_BGRA_8888:
return MDP_BGRA_8888;
case HAL_PIXEL_FORMAT_YV12:
return MDP_Y_CR_CB_GH2V2;
case HAL_PIXEL_FORMAT_YCbCr_422_SP:
return MDP_Y_CBCR_H2V1;
case HAL_PIXEL_FORMAT_YCrCb_420_SP:
return MDP_Y_CRCB_H2V2;
//From gralloc_priv.h
case HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED:
return MDP_Y_CBCR_H2V2_TILE;
case HAL_PIXEL_FORMAT_YCbCr_420_SP:
return MDP_Y_CBCR_H2V2;
case HAL_PIXEL_FORMAT_YCrCb_422_SP:
return MDP_Y_CRCB_H2V1;
case HAL_PIXEL_FORMAT_YCbCr_444_SP:
return MDP_Y_CBCR_H1V1;
case HAL_PIXEL_FORMAT_YCrCb_444_SP:
return MDP_Y_CRCB_H1V1;
case HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS:
return MDP_Y_CBCR_H2V2_VENUS;
default:
//Unsupported by MDP
//---graphics.h--------
//HAL_PIXEL_FORMAT_RGBA_5551
//HAL_PIXEL_FORMAT_RGBA_4444
//HAL_PIXEL_FORMAT_YCbCr_422_I
//---gralloc_priv.h-----
//HAL_PIXEL_FORMAT_YCrCb_420_SP_ADRENO = 0x7FA30C01
//HAL_PIXEL_FORMAT_R_8 = 0x10D
//HAL_PIXEL_FORMAT_RG_88 = 0x10E
ALOGE("%s: Unsupported HAL format = 0x%x", __func__, format);
return -1;
}
// not reached
return -1;
}
//Takes mdp format as input and translates to equivalent HAL format
//Refer to graphics.h, gralloc_priv.h, msm_mdp.h for formats.
int getHALFormat(int mdpFormat) {
switch (mdpFormat) {
//From graphics.h
case MDP_RGBA_8888:
return HAL_PIXEL_FORMAT_RGBA_8888;
case MDP_RGBX_8888:
return HAL_PIXEL_FORMAT_RGBX_8888;
case MDP_RGB_888:
return HAL_PIXEL_FORMAT_RGB_888;
case MDP_RGB_565:
return HAL_PIXEL_FORMAT_RGB_565;
case MDP_BGRA_8888:
return HAL_PIXEL_FORMAT_BGRA_8888;
case MDP_Y_CR_CB_GH2V2:
return HAL_PIXEL_FORMAT_YV12;
case MDP_Y_CBCR_H2V1:
return HAL_PIXEL_FORMAT_YCbCr_422_SP;
case MDP_Y_CRCB_H2V2:
return HAL_PIXEL_FORMAT_YCrCb_420_SP;
//From gralloc_priv.h
case MDP_Y_CBCR_H2V2_TILE:
return HAL_PIXEL_FORMAT_YCbCr_420_SP_TILED;
case MDP_Y_CBCR_H2V2:
return HAL_PIXEL_FORMAT_YCbCr_420_SP;
case MDP_Y_CRCB_H2V1:
return HAL_PIXEL_FORMAT_YCrCb_422_SP;
case MDP_Y_CBCR_H1V1:
return HAL_PIXEL_FORMAT_YCbCr_444_SP;
case MDP_Y_CRCB_H1V1:
return HAL_PIXEL_FORMAT_YCrCb_444_SP;
case MDP_Y_CBCR_H2V2_VENUS:
return HAL_PIXEL_FORMAT_YCbCr_420_SP_VENUS;
default:
ALOGE("%s: Unsupported MDP format = 0x%x", __func__, mdpFormat);
return -1;
}
// not reached
return -1;
}
int getMdpOrient(eTransform rotation) {
int retTrans = 0;
bool trans90 = false;
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
bool aFamily = (mdpVersion < qdutils::MDSS_V5);
ALOGD_IF(DEBUG_OVERLAY, "%s: In rotation = %d", __FUNCTION__, rotation);
if(rotation & OVERLAY_TRANSFORM_ROT_90) {
retTrans |= MDP_ROT_90;
trans90 = true;
}
if(rotation & OVERLAY_TRANSFORM_FLIP_H) {
if(trans90 && aFamily) {
//Swap for a-family, since its driver does 90 first
retTrans |= MDP_FLIP_UD;
} else {
retTrans |= MDP_FLIP_LR;
}
}
if(rotation & OVERLAY_TRANSFORM_FLIP_V) {
if(trans90 && aFamily) {
//Swap for a-family, since its driver does 90 first
retTrans |= MDP_FLIP_LR;
} else {
retTrans |= MDP_FLIP_UD;
}
}
ALOGD_IF(DEBUG_OVERLAY, "%s: Out rotation = %d", __FUNCTION__, retTrans);
return retTrans;
}
int getDownscaleFactor(const int& src_w, const int& src_h,
const int& dst_w, const int& dst_h) {
int dscale_factor = utils::ROT_DS_NONE;
// We need this check to engage the rotator whenever possible to assist MDP
// in performing video downscale.
// This saves bandwidth and avoids causing the driver to make too many panel
// -mode switches between BLT (writeback) and non-BLT (Direct) modes.
// Use-case: Video playback [with downscaling and rotation].
if (dst_w && dst_h)
{
float fDscale = (float)(src_w * src_h) / (float)(dst_w * dst_h);
uint32_t dscale = (int)sqrtf(fDscale);
if(dscale < 2) {
// Down-scale to > 50% of orig.
dscale_factor = utils::ROT_DS_NONE;
} else if(dscale < 4) {
// Down-scale to between > 25% to <= 50% of orig.
dscale_factor = utils::ROT_DS_HALF;
} else if(dscale < 8) {
// Down-scale to between > 12.5% to <= 25% of orig.
dscale_factor = utils::ROT_DS_FOURTH;
} else {
// Down-scale to <= 12.5% of orig.
dscale_factor = utils::ROT_DS_EIGHTH;
}
}
return dscale_factor;
}
//Since this is unavailable on Android, defining it in terms of base 10
static inline float log2f(const float& x) {
return log(x) / log(2);
}
void getDecimationFactor(const int& src_w, const int& src_h,
const int& dst_w, const int& dst_h, float& horDscale,
float& verDscale) {
horDscale = ceilf((float)src_w / (float)dst_w);
verDscale = ceilf((float)src_h / (float)dst_h);
//Next power of 2, if not already
horDscale = powf(2.0f, ceilf(log2f(horDscale)));
verDscale = powf(2.0f, ceilf(log2f(verDscale)));
//Since MDP can do 1/4 dscale and has better quality, split the task
//between decimator and MDP downscale
horDscale /= 4.0f;
verDscale /= 4.0f;
}
static inline int compute(const uint32_t& x, const uint32_t& y,
const uint32_t& z) {
return x - ( y + z );
}
void preRotateSource(const eTransform& tr, Whf& whf, Dim& srcCrop) {
if(tr & OVERLAY_TRANSFORM_FLIP_H) {
srcCrop.x = compute(whf.w, srcCrop.x, srcCrop.w);
}
if(tr & OVERLAY_TRANSFORM_FLIP_V) {
srcCrop.y = compute(whf.h, srcCrop.y, srcCrop.h);
}
if(tr & OVERLAY_TRANSFORM_ROT_90) {
int tmp = srcCrop.x;
srcCrop.x = compute(whf.h,
srcCrop.y,
srcCrop.h);
srcCrop.y = tmp;
swap(whf.w, whf.h);
swap(srcCrop.w, srcCrop.h);
}
}
bool is3DTV() {
char is3DTV = '0';
IOFile fp(Res::edid3dInfoFile, "r");
(void)fp.read(is3DTV, 1);
ALOGI("3DTV EDID flag: %d", is3DTV);
return (is3DTV == '0') ? false : true;
}
bool isPanel3D() {
OvFD fd;
if(!overlay::open(fd, 0 /*fb*/, Res::fbPath)){
ALOGE("isPanel3D Can't open framebuffer 0");
return false;
}
fb_fix_screeninfo finfo;
if(!mdp_wrapper::getFScreenInfo(fd.getFD(), finfo)) {
ALOGE("isPanel3D read fb0 failed");
}
fd.close();
return (FB_TYPE_3D_PANEL == finfo.type) ? true : false;
}
bool usePanel3D() {
if(!isPanel3D())
return false;
char value[PROPERTY_VALUE_MAX];
property_get("persist.user.panel3D", value, "0");
int usePanel3D = atoi(value);
return usePanel3D ? true : false;
}
bool send3DInfoPacket (uint32_t format3D) {
IOFile fp(Res::format3DFile, "wb");
(void)fp.write("%d", format3D);
if(!fp.valid()) {
ALOGE("send3DInfoPacket: no sysfs entry for setting 3d mode");
return false;
}
return true;
}
bool enableBarrier (uint32_t orientation) {
IOFile fp(Res::barrierFile, "wb");
(void)fp.write("%d", orientation);
if(!fp.valid()) {
ALOGE("enableBarrier no sysfs entry for "
"enabling barriers on 3D panel");
return false;
}
return true;
}
uint32_t getS3DFormat(uint32_t fmt) {
// The S3D is part of the HAL_PIXEL_FORMAT_YV12 value. Add
// an explicit check for the format
if (fmt == HAL_PIXEL_FORMAT_YV12) {
return 0;
}
uint32_t fmt3D = format3D(fmt);
uint32_t fIn3D = format3DInput(fmt3D); // MSB 2 bytes - inp
uint32_t fOut3D = format3DOutput(fmt3D); // LSB 2 bytes - out
fmt3D = fIn3D | fOut3D;
if (!fIn3D) {
fmt3D |= fOut3D << SHIFT_TOT_3D; //Set the input format
}
if (!fOut3D) {
switch (fIn3D) {
case HAL_3D_IN_SIDE_BY_SIDE_L_R:
case HAL_3D_IN_SIDE_BY_SIDE_R_L:
// For all side by side formats, set the output
// format as Side-by-Side i.e 0x1
fmt3D |= HAL_3D_IN_SIDE_BY_SIDE_L_R >> SHIFT_TOT_3D;
break;
default:
fmt3D |= fIn3D >> SHIFT_TOT_3D; //Set the output format
}
}
return fmt3D;
}
bool isMdssRotator() {
int mdpVersion = qdutils::MDPVersion::getInstance().getMDPVersion();
return (mdpVersion >= qdutils::MDSS_V5);
}
void getDump(char *buf, size_t len, const char *prefix,
const mdp_overlay& ov) {
char str[256] = {'\0'};
snprintf(str, 256,
"%s id=%d z=%d fg=%d alpha=%d mask=%d flags=0x%x H.Deci=%d,"
"V.Deci=%d\n",
prefix, ov.id, ov.z_order, ov.is_fg, ov.alpha,
ov.transp_mask, ov.flags, ov.horz_deci, ov.vert_deci);
strncat(buf, str, strlen(str));
getDump(buf, len, "\tsrc", ov.src);
getDump(buf, len, "\tsrc_rect", ov.src_rect);
getDump(buf, len, "\tdst_rect", ov.dst_rect);
}
void getDump(char *buf, size_t len, const char *prefix,
const msmfb_img& ov) {
char str_src[256] = {'\0'};
snprintf(str_src, 256,
"%s w=%d h=%d format=%d %s\n",
prefix, ov.width, ov.height, ov.format,
overlay::utils::getFormatString(ov.format));
strncat(buf, str_src, strlen(str_src));
}
void getDump(char *buf, size_t len, const char *prefix,
const mdp_rect& ov) {
char str_rect[256] = {'\0'};
snprintf(str_rect, 256,
"%s x=%d y=%d w=%d h=%d\n",
prefix, ov.x, ov.y, ov.w, ov.h);
strncat(buf, str_rect, strlen(str_rect));
}
void getDump(char *buf, size_t len, const char *prefix,
const msmfb_overlay_data& ov) {
char str[256] = {'\0'};
snprintf(str, 256,
"%s id=%d\n",
prefix, ov.id);
strncat(buf, str, strlen(str));
getDump(buf, len, "\tdata", ov.data);
}
void getDump(char *buf, size_t len, const char *prefix,
const msmfb_data& ov) {
char str_data[256] = {'\0'};
snprintf(str_data, 256,
"%s offset=%d memid=%d id=%d flags=0x%x priv=%d\n",
prefix, ov.offset, ov.memory_id, ov.id, ov.flags,
ov.priv);
strncat(buf, str_data, strlen(str_data));
}
void getDump(char *buf, size_t len, const char *prefix,
const msm_rotator_img_info& rot) {
char str[256] = {'\0'};
snprintf(str, 256, "%s sessid=%u rot=%d, enable=%d downscale=%d\n",
prefix, rot.session_id, rot.rotations, rot.enable,
rot.downscale_ratio);
strncat(buf, str, strlen(str));
getDump(buf, len, "\tsrc", rot.src);
getDump(buf, len, "\tdst", rot.dst);
getDump(buf, len, "\tsrc_rect", rot.src_rect);
}
void getDump(char *buf, size_t len, const char *prefix,
const msm_rotator_data_info& rot) {
char str[256] = {'\0'};
snprintf(str, 256,
"%s sessid=%u\n",
prefix, rot.session_id);
strncat(buf, str, strlen(str));
getDump(buf, len, "\tsrc", rot.src);
getDump(buf, len, "\tdst", rot.dst);
}
//Helper to even out x,w and y,h pairs
//x,y are always evened to ceil and w,h are evened to floor
void normalizeCrop(uint32_t& xy, uint32_t& wh) {
if(xy & 1) {
even_ceil(xy);
if(wh & 1)
even_floor(wh);
else
wh -= 2;
} else {
even_floor(wh);
}
}
} // utils
} // overlay
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